package test;

import java.io.IOException;

class Unresponsiveui{
	private volatile double d=1;
	public Unresponsiveui() throws IOException{
		while (d>0) {
			d=d+(Math.PI+Math.E)/d;
			System.in.read();
		}
	}
}

public class ResponsiveUI extends Thread{
	private static volatile double d=1;
	public ResponsiveUI(){
		setDaemon(true);
		start();
	}
	public void run (){
		while (true) {
			d=d+(Math.PI+Math.E)/d;
		}
	}
	public static void main(String[] args) throws IOException {
		new Unresponsiveui();
		new ResponsiveUI();
		System.in.read();
		System.out.println(d);
	}
}
